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CVE-2013-1917

CVE-2013-1917

EPSS 0.4%
Xen 3.1 through 4.x, when running 64-bit hosts on Intel CPUs, does not clear the NT flag when using an IRET after a SYSENTER instruction, which allows PV guest users to cause a denial of service (hypervisor crash) by triggering a #GP fault, which is not properly handled by another IRET instruction.
Productos afectados
n/a · n/a

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Referencias
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/104537.htmlhttp://lists.opensuse.org/opensuse-security-announce/2014-03/msg00015.htmlhttp://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.htmlhttp://lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.htmlhttp://lists.opensuse.org/opensuse-updates/2013-06/msg00049.htmlhttp://secunia.com/advisories/55082http://security.gentoo.org/glsa/glsa-201309-24.xmlhttp://www.debian.org/security/2012/dsa-2662http://www.openwall.com/lists/oss-security/2013/04/18/8http://www.securitytracker.com/id/1028455